package com.opages.netty.demo.netty.stickybag;

import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.SimpleChannelInboundHandler;
import io.netty.util.CharsetUtil;

import java.nio.charset.Charset;

/**
 * @author daizhong.liu
 * @create 2021-12-15 10:28
 **/
public class ClientStickyHandler extends SimpleChannelInboundHandler<ByteBuf> {
    private int count;
    @Override
    public void channelActive(ChannelHandlerContext ctx) throws Exception {
        for(int i=0;i<50;i++) {
            ByteBuf byteBuf = Unpooled.copiedBuffer((i+"->hello,netty").getBytes(CharsetUtil.UTF_8));
            ctx.writeAndFlush(byteBuf);
        }
    }

    @Override
    protected void channelRead0(ChannelHandlerContext ctx, ByteBuf msg) throws Exception {
        byte[] bytes = new byte[msg.readableBytes()];
        msg.readBytes(bytes);
        String content = new String(bytes,CharsetUtil.UTF_8);
        System.err.println("客户端接收到的信息->"+content);
        System.out.println("客户端接收消息数量=" + (++this.count));
    }

    @Override
    public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
        cause.printStackTrace();
        ctx.channel().close();
    }
}
